Proposal code

w321

Proposal title

Wiggling structure of Double Sided Jets in 0458+138

The

Investigators and their

Affiliations

P.I. Yoshiharu Asaki ISAS, Japan
Kenta Fujisawa NAO, Japan
Keiichi Asada NAO, Japan
Hideyuki Kobayashi NAO, Japan

Proposal Abstract

We propose observations of 0458+138. This is a unique source having symmetrical jets at the opposite sides of its core component. Those jets are continuously ejected from the core. Our main purpose of this proposal is to detect a ``wiggle-like" structure in each of jets. In this study, we investigate mechanisms of the accerelation and collimation of VLBI jets. If the magnetic field is dominant to produce wiggling jets, the wiggle pattern will show mirror-symmetry in respect with the core. On the other hand, if the precession of an accretion disk is dominant, the wiggle will show point-symmetry. The curving of the jets are slightly seen in the opposite sided jets at 8.5GHz, so that VSOP observations will reveal the wiggle-like structure of 0458+138.

The full Cover Sheets (compressed post-script, typically 50kbytes) can be retrieved. Note that many proposals were reduced in extent by the Scientific Review Committee (e.g. by reducing the number of experiments), however the Cover Sheets contain the full proposal as submitted. Also note that AO3 proposals were submitted in October 1999, and information such as affiliations and contact details has changed for some proposers since that time. The Cover Sheets (and the details on this page, which were derived from the Cover Sheets) may therefore have changed.